Expert Sudoku for 2026-06-04

Expert Sudoku puzzle published on 2026-06-04, with 26 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Pointing Pair, Skyscraper, W-Wing, Unique Rectangle, Naked Pair, XY-Chain. Every puzzle on this site is generated by Dancing Links and then verified by a tiered human-style solver, so it is guaranteed solvable with logic alone – no guessing or backtracking.